pytorch runtime_error ai_generated true

RuntimeError: register_hook callback raised exception

ID: pytorch/hook-error

Also available as: JSON · Markdown
80%Fix Rate
84%Confidence
3Evidence
2023-01-01First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
2 active — — —

Root Cause

Model hook callback raised an exception.

generic

Workarounds

  1. 88% success Debug hook function: check tensor shapes and device in callback
  2. 85% success Use retain_grad() instead of hooks for simple gradient access

Dead Ends

Common approaches that don't work:

  1. Remove all hooks 72% fail

    Loses gradient monitoring/modification

  2. Catch all exceptions in hooks 75% fail

    May hide real issues